private const val ARG_PARAM1 = "param1"
private const val ARG_PARAM2 = "param2"

class FugaFragment : Fragment() {
    private var param1: String? = null
    private var param2: String? = null

	...
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        arguments?.let {
            param1 = it.getString(ARG_PARAM1)
            param2 = it.getString(ARG_PARAM2)
        }
    }

	...
	companion object {
		@JvmStatic
		fun newInstance(param1: String, param2: String) =
			FugaFragment().apply {
				arguments = Bundle().apply {
					putString(ARG_PARAM1, param1)
					putString(ARG_PARAM2, param2)
				}
			}
	}
}